COMPLEX
COMPLEX: "-0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
DEFAULT
DEFAULT: "0123456789abcdefghijklmnopqrstuvwxyz"
ONLY_CHAR
ONLY_CHAR: "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
ONLY_LOWER_CHAR
ONLY_LOWER_CHAR: "abcdefghijklmnopqrstuvwxyz"
ONLY_NUMBER
ONLY_NUMBER: "0123456789"
ONLY_UPPER_CHAR
ONLY_UPPER_CHAR: "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
字符集